He beat Qing Jun Zhang in quarterfinals and Hiraku Hori in semis, before facing a 7'2" and 346 lb (2.18 m, 157 kg) former Korean Ssireum wrestling champion, Hong-Man Choi in finals. Choi more than doubled Kaoklai's weight and towering a 1'3" (0.38 m) above the defending champion.
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Kaoklai is being called "Matrix defense" because his defense skills looked like Neo from the movie of The Matrix.
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Kaoklai won the evenly fought battle in the extra round, collected 60 million ₩ and advanced to K-1 World GP 2004 Final Elimination, held in Nippon Budokan Arena, Tokyo, Japan .